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PRELIMINARY
DISPLAY CONTROLLER
S3C6400X RISC MICROPROCESSOR
14-30
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
LCD I80 CPU INTERFACE
Signals
Table 14-6. I80 CPU Interface Pin Description
Name
Type
Source/Destination
Description
SYS_VDIN[17:0]
In
Video Mux
Video Data Input
SYS_VDOUT[17:0]
Out
Video Mux
Video Data Output
SYS_CS0
Output
Video Mux
Chip select for LCD0
SYS_CS1
Output
Video Mux
Chip select for LCD1
SYS_WE
Output
Video Mux
Write enable
SYS_OE
Output
Video Mux
Output Enable
SYS_RS
Output
Video Mux
Register/State Select
Note:
LCD_SEL[1:0] value @ 0x7F0081A0 must be set as ‘00’ to use Host I/F Style. Please, refer to GPIO
Manual for more information.
Timing
LCD_WR _SETUP
LCD_WR_ACT
LCD_WR_HOLD
LCD_CS_SETUP
VCLK
RS
nCS
nWE
DATA
Figure 14-9. I80 CPU system interface WRITE Cycle Timing